Merry Market is1big supermarket.It’s very near my home.There 2　many things.There are3　many people,especially(尤其是)on holidays 4 at weekends.You can5food and 　6　,clothes and so on.The shop is open 24 hours every day.The salesmen in the supermarket7　very nice and 　8　.　9　 like to talk to you and help you.You can buy things there and you can 　10meals there,too

已知n正整数，且x²ⁿ=2，求（3x³ⁿ）²﹣4（x²）²ⁿ的值．

阅读下面一段文字，根据拼音写出汉字。
         大自然是多情的。南归的燕子带来春的柔情，翻滚的麦浪xié来夏的chì烈，飒飒的秋风送来秋的爽朗，纷飞的白雪飘来冬的欢畅。于是，草长莺飞间，鸟啼虫鸣间，山luán苍松间，我们用心聆听天lài。